    html,body{
      width: 100%;
      height: 100%;
    }

    body {
        background: #fff;
        font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
        font-size: 14px;
        color: #000;
        margin: 0;
        padding: 0;
    }

    .swiper-container {
        width: 100%;
        padding-top: 50px;
        padding-bottom: 50px;
        height: 100%;
    }

    .swiper-slide {
        background-position: center;
        background-size: cover;
        width: 300px;
        height: 300px;
    }
     .swiper-slide>img{
      width: 100%;
      height: 100%;
     }